using System;
using Microsoft.SPOT;
using Microsoft.SPOT.Hardware;
using Gadgeteer.Modules;

/*
 * Original Gadgeteer framework Copyright (c) Microsoft Corporation. (http://gadgeteer.codeplex.com/)
 * 
 * Gadgeteer Light made by Stefan Thoolen (http://gadgeteerlight.codeplex.com/)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
namespace Gadgeteer.Interfaces
{
    /// <summary>Wrapper for a digital input port</summary>
    public class DigitalInput
    {
        /// <summary>The actual input port</summary>
        private InputPort _port = null;

        /// <summary>Creates a new digital input port</summary>
        /// <param name="socket">The socket on which the port exists</param>
        /// <param name="pin">The pin #</param>
        /// <param name="glitchFilterMode">Should we use the glitch filter</param>
        /// <param name="resistorMode">Should we use a pull resistor</param>
        /// <param name="module">The module driving this pin</param>
        public DigitalInput(Socket socket, Socket.Pin pin, GlitchFilterMode glitchFilterMode, ResistorMode resistorMode, Module module)
        {
            this._port = new InputPort(socket.CpuPins[(int)pin], glitchFilterMode == GlitchFilterMode.On, (Port.ResistorMode)resistorMode);
        }

        /// <summary>Reads the ports state</summary>
        /// <returns>True for high, false for low</returns>
        public bool Read()
        {
            return this._port.Read();
        }
    }
}
